Update README.md

Author: abhishekrathore

README.md

@@ -1 +1,59 @@
-# JavaScript-Course-2023
+
+# JavaScript Full Course 2023
+
+## Chapter 1 
+
+### Assignments
+**Question  1:** Difference Between "null" and "undefined" data type with example?
+**Question 2:** What type of variable should you **initialize** at the time of declaration?
+**Question 3:** Guess the **Output** and Explain Why?
+```js
+let languages = "java javaScript python cSharp";
+let result = languages.lastIndexOf("S");
+console.log(result)
+```
+**Question 4:** Guess the **Output** and Explain Why?
+
+```js
+let variable = "hello programmers";
+let result = Number(variable);
+console.log(result);
+```
+**Question 5:** Guess the **Output** and Explain Why?
+```js
+let num1 = 32;
+let num2 = "32";
+let result1 = num1 !== num2;
+let result2 = num1 != num2;
+console.log(result1,result2);
+```
+
+**Question 6:** Guess the **Output** and explain Why?
+```js
+let str =  "Hello Programmers";
+let result = str.includes("r");
+console.log(result);
+```
+**Question 7:** Guess the **Output** and Explain Why?
+
+```js
+let num1 = 2;
+let num2 = 5;
+let result = num1**num2*2;
+console.log(result);
+```
+**Question 8:** Guess the **Output** and Explain Why?
+```js
+let num1 = [1,2,4,5];
+let num2 = [6,5,8,0];
+let result = num1.concat(num2);
+console.log(result)
+```
+**Question 9:** Guess the **Output** and Explain Why?
+```js
+let a = 5;
+let b = 7;
+let c = 8;
+let result = a<b>c;
+console.log(result)
+```